On December 22, her agency C9 Entertainment also revealed that her first domestic solo event, CHI PARTY (CHoose Identity PARTY), will be held at Club Made Cheongdam on January 12, 2018 at 11:59 p.m.

On the same day, her new song will be released at 6 p.m., and it will be performed for the first time at her solo concert. Cheetah is planning to perform all her hit songs from the past as well as songs she has never released before.